Improvement in rest for locomotive cross-heads



ALEXANDER & DUNN.

Rest for Locomotive Cross Heads.

No. 94,171. I Patented Aug. 31,1869;

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i SOLOMON A. ALEXANDER AND EDWARD DUNN, OF SUNBURY, 1 PENNSYLVANIA.

Bette rs Patent No. 94,171, dated August 31,1869.

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The Schedule referred to in these Letters Patent and making part of thesame.

To whom it may concern Be it known that we, SOLOMON A. ALEXANDER andEDWARD DUNN, machinists, of Sunbury, county of Northum'berland, andState of Pennsylvania, have invented a new and useful Machine for thePurpose of Moving Cross-Heads on Locomotive and other Engines, and whichwe term a Self-Sustaining Rest for Moving Oross-Heads; and we do herebydeclare that the following is a full, clear, and exact deseription ofthe construction and operation of the same,

reference being bad to the annexed drawings, making a part of thisspecification, in which Figure 1 is a plan,

Figure 2, an elevation, and

Figure 3 is a detached elevation of a part of the machine.

Fig. 1. a is a rest, that may be either perforated or notched. It canbe'either square, round, halfrou'nd, oval, or polygonal, with T orL-shaped ends, as shown at B B.

Fig. 2. a is the rest.

B, the T or L-shaped end.

0, adjustable pin.

d, an adjustable and reversiblebridle, for attaching the rest to theengine on which the work is to be done.

e, a pin, key, or nut, for securing the bridle to the rest.

Fig. 3, an elevation of the bridle in detail, adjustable at F, as shownin fig. 2.

In using the machine, the Tar L-end of the rest is inserted between theguides of the engine on which the work is tobe done. The bridle isplaced over the Claims.

or teeth placed at intervals, to supply the place of.

said pin or pins on the rest.

2. In combination with the.rest, the adjustable bridle, for the purposeof attaching the rest to the engine, (on which the machine is to beused,) substantially as described. 4

3. The bar, as herein described, for.the'purpose of moving cross-heads,or any portion of the rest, as described.

' SOLOMON A. ALEXANDER.

EDWARD DUNN.

Vitnesses:

H. L. Jon-Es,

L. HARRISON.

